/* ============================================================
   Packet QR / MRD Management
   ============================================================ */

.packet-page {
  flex: 1;
  min-height: 0;
  background: var(--kfc-bone);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.packet-broadcast .marquee span {
  animation: none;
}

.packet-mode-grid {
  flex-shrink: 0;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  background: white;
  border-bottom: 1px solid #e6dfd2;
}

.packet-mode-card {
  min-height: 122px;
  border-radius: 14px;
  border: 2px solid #e6dfd2;
  background: #fbf6ed;
  color: var(--kfc-black);
  padding: 20px;
  display: grid;
  grid-template-columns: 72px 1fr 44px;
  gap: 16px;
  align-items: center;
  text-align: left;
  box-shadow: 0 4px 0 rgba(0,0,0,0.04);
  transition: transform 0.16s var(--ease), box-shadow 0.16s var(--ease), border-color 0.16s var(--ease);
}

.packet-mode-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 7px 0 rgba(0,0,0,0.06);
}

.packet-mode-card.active {
  border-color: var(--kfc-red);
  background: white;
  box-shadow: 0 4px 0 var(--kfc-red-deep), 0 0 0 4px rgba(228,0,43,0.12);
}

.packet-mode-card .ic {
  width: 72px;
  height: 72px;
  border-radius: 14px;
  background: var(--kfc-red);
  color: white;
  display: grid;
  place-items: center;
  box-shadow: 0 5px 0 var(--kfc-red-deep);
}

.packet-mode-card .ic.gold {
  background: var(--kfc-gold);
  color: var(--kfc-black);
  box-shadow: 0 5px 0 var(--kfc-gold-deep);
}

.packet-mode-card .ic .material-symbols-rounded {
  font-size: 42px;
}

.packet-mode-card strong {
  display: block;
  font-family: var(--display);
  font-size: 34px;
  line-height: 1;
  letter-spacing: 1.5px;
}

.packet-mode-card span {
  display: block;
  margin-top: 7px;
  font-family: var(--tile);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: #666;
  text-transform: uppercase;
}

.packet-mode-card .arrow {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--kfc-black);
  color: white;
  display: grid;
  place-items: center;
  margin: 0;
}

.packet-workspace {
  flex: 1;
  min-height: 0;
  padding: 20px 24px 92px;
  overflow-y: auto;
}

.packet-welcome {
  flex: 1;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: 24px;
}

.packet-welcome-card {
  width: min(680px, 100%);
  background: white;
  border: 1px solid #e6dfd2;
  border-left: 8px solid var(--kfc-red);
  border-radius: 16px;
  padding: 26px 30px;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  align-items: center;
  color: var(--kfc-black);
  box-shadow: 0 6px 0 rgba(0,0,0,0.05);
}

.packet-welcome-card > .material-symbols-rounded {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--state-ready);
  color: white;
  display: grid;
  place-items: center;
  font-size: 42px;
}

.packet-welcome-card h2,
.packet-panel h2,
.packet-section-title h2 {
  font-family: var(--display);
  font-size: 34px;
  line-height: 1;
  letter-spacing: 1.4px;
  color: var(--kfc-black);
}

.packet-welcome-card p,
.packet-panel p,
.packet-section-title p {
  margin-top: 6px;
  color: #666;
  font-size: 14px;
  line-height: 1.4;
}

.packet-panel {
  background: white;
  border-radius: 16px;
  border: 1px solid #e6dfd2;
  box-shadow: 0 4px 0 rgba(0,0,0,0.04);
  padding: 20px;
  color: var(--kfc-black);
}

.packet-panel.narrow {
  width: min(480px, 100%);
  margin: 0 auto;
}

.packet-panel-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.packet-panel-head > .material-symbols-rounded {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--kfc-black);
  color: var(--kfc-gold);
  display: grid;
  place-items: center;
  font-size: 32px;
  flex-shrink: 0;
}

.scanner-login {
  display: grid;
  place-items: start center;
}

.packet-login-form {
  display: grid;
  gap: 14px;
}

.packet-login-form label {
  display: grid;
  gap: 6px;
  font-family: var(--tile);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.packet-login-form input,
.manual-scan input {
  width: 100%;
  height: 52px;
  border-radius: 10px;
  border: 2px solid #e6dfd2;
  background: #fbf6ed;
  padding: 0 14px;
  color: var(--kfc-black);
  font-family: var(--body);
  font-size: 16px;
  outline: none;
}

.packet-login-form input:focus,
.manual-scan input:focus {
  border-color: var(--kfc-red);
  background: white;
}

.scanner-grid,
.print-grid {
  display: grid;
  grid-template-columns: minmax(420px, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: start;
}

.camera-panel,
.result-panel,
.print-control-panel,
.preview-panel {
  min-width: 0;
}

.packet-camera-box {
  min-height: 340px;
  border-radius: 14px;
  background: var(--kfc-black);
  overflow: hidden;
  display: grid;
  place-items: center;
  color: white;
  border: 4px solid var(--kfc-black);
}

.packet-camera-box video {
  border-radius: 10px;
}

.manual-scan {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 130px;
  gap: 10px;
}

.manual-scan button,
.packet-primary-btn,
.packet-secondary-btn {
  height: 56px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--tile);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: transform 0.12s var(--ease);
}

.packet-primary-btn {
  background: var(--kfc-red);
  color: white;
  box-shadow: 0 4px 0 var(--kfc-red-deep);
}

.packet-primary-btn.tall {
  width: 100%;
  height: 78px;
  margin-top: 16px;
  font-family: var(--display);
  font-size: 30px;
  letter-spacing: 1.5px;
}

.packet-primary-btn.slim {
  width: 100%;
  margin-top: 16px;
}

.packet-secondary-btn {
  background: white;
  color: var(--kfc-black);
  box-shadow: inset 0 0 0 2px var(--kfc-black);
}

.manual-scan button {
  background: var(--kfc-black);
  color: white;
}

.packet-primary-btn:active:not(:disabled),
.packet-secondary-btn:active:not(:disabled),
.manual-scan button:active:not(:disabled) {
  transform: translateY(2px);
}

.packet-primary-btn:disabled,
.packet-secondary-btn:disabled,
.manual-scan button:disabled,
.sku-card:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.scan-state {
  min-height: 74px;
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  gap: 12px;
  align-items: center;
  background: #fbf6ed;
  border: 1px solid #e6dfd2;
  color: var(--kfc-black);
}

.scan-state > .material-symbols-rounded {
  font-size: 34px;
  color: var(--kfc-red);
}

.scan-state.success {
  background: rgba(31,170,89,0.09);
  border-color: rgba(31,170,89,0.3);
}

.scan-state.success > .material-symbols-rounded {
  color: var(--state-ready);
}

.scan-state.error {
  background: rgba(228,0,43,0.08);
  border-color: rgba(228,0,43,0.25);
}

.scan-state.loading > .material-symbols-rounded {
  animation: packetSpin 1s linear infinite;
}

@keyframes packetSpin {
  to { transform: rotate(360deg); }
}

.packet-confirm-card {
  margin-top: 16px;
}

.packet-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.packet-detail-grid > div {
  background: #fbf6ed;
  border: 1px solid #e6dfd2;
  border-radius: 10px;
  padding: 12px;
  min-width: 0;
}

.packet-detail-grid span {
  display: block;
  font-family: var(--tile);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #777;
  text-transform: uppercase;
}

.packet-detail-grid strong {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  color: var(--kfc-black);
  word-break: break-word;
}

.packet-action-box {
  margin-top: 16px;
  padding: 16px;
  border-radius: 12px;
  background: var(--kfc-black);
  color: white;
}

.packet-action-box h3 {
  font-family: var(--display);
  font-size: 34px;
  letter-spacing: 1.4px;
  line-height: 1;
  color: white;
}

.packet-action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
}

.packet-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 18px;
  padding: 5px;
  border-radius: 12px;
  background: #fbf6ed;
  border: 1px solid #e6dfd2;
}

.packet-tabs button {
  min-height: 54px;
  border-radius: 9px;
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  color: var(--kfc-black);
  font-family: var(--tile);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.7px;
  text-transform: uppercase;
}

.packet-tabs button.active {
  background: var(--kfc-black);
  color: white;
}

.packet-section-title {
  margin-bottom: 14px;
}

.sku-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.sku-card {
  min-height: 116px;
  border-radius: 12px;
  border: 2px solid #e6dfd2;
  background: #fbf6ed;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
  color: var(--kfc-black);
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease), transform 0.15s var(--ease);
}

.sku-card:hover {
  transform: translateY(-1px);
}

.sku-card.selected {
  border-color: var(--kfc-red);
  background: white;
  box-shadow: 0 3px 0 var(--kfc-red-deep), 0 0 0 3px rgba(228,0,43,0.12);
}

.sku-card strong {
  font-family: var(--display);
  font-size: 26px;
  line-height: 1;
  letter-spacing: 1px;
}

.sku-card span {
  font-family: var(--tile);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--kfc-red);
  text-transform: uppercase;
}

.sku-card small {
  font-size: 12px;
  color: #777;
}

.eligible-list {
  display: grid;
  gap: 10px;
  max-height: 420px;
  overflow-y: auto;
  padding-right: 2px;
}

.eligible-card {
  border-radius: 12px;
  border: 2px solid #e6dfd2;
  background: #fbf6ed;
  padding: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  text-align: left;
  color: var(--kfc-black);
}

.eligible-card.selected {
  border-color: var(--kfc-red);
  background: white;
  box-shadow: 0 3px 0 var(--kfc-red-deep), 0 0 0 3px rgba(228,0,43,0.12);
}

.eligible-card strong {
  display: block;
  font-family: var(--tile);
  font-size: 18px;
  font-weight: 800;
}

.eligible-card span {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 11px;
  color: #777;
  word-break: break-all;
}

.empty-state,
.preview-placeholder {
  min-height: 260px;
  border-radius: 14px;
  border: 2px dashed #d8cfbd;
  background: #fbf6ed;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  color: var(--kfc-black);
}

.empty-state .material-symbols-rounded,
.preview-placeholder .material-symbols-rounded {
  font-size: 64px;
  color: var(--kfc-red);
}

.empty-state strong,
.preview-placeholder strong {
  margin-top: 10px;
  font-family: var(--display);
  font-size: 32px;
  letter-spacing: 1.2px;
}

.empty-state p,
.preview-placeholder p {
  max-width: 340px;
  margin-top: 5px;
  color: #666;
}

.packet-alert {
  margin-top: 14px;
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--tile);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.packet-alert.error {
  background: rgba(228,0,43,0.1);
  color: var(--kfc-red);
  border: 1px solid rgba(228,0,43,0.25);
}

.packet-alert.success {
  background: rgba(31,170,89,0.1);
  color: var(--state-ready-deep);
  border: 1px solid rgba(31,170,89,0.25);
}

.packet-alert.info {
  background: rgba(240,165,0,0.15);
  color: #8a5d00;
  border: 1px solid rgba(240,165,0,0.3);
}

.packet-sticker {
  width: min(100%, 640px);
  margin: 0 auto;
  background: white;
  color: #000;
  border: 1px dashed #111;
  border-radius: 4px;
  padding: 22px;
  font-family: 'Courier New', monospace;
  box-shadow: 0 18px 34px rgba(0,0,0,0.18);
}

.packet-sticker-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 2px dashed #000;
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.packet-sticker-logo {
  background: #000;
  color: #fff;
  padding: 3px 12px;
  font-family: var(--display);
  font-size: 30px;
  letter-spacing: 2px;
}

.packet-sticker-tag {
  border: 2px solid #000;
  padding: 4px 10px;
  font-family: var(--display);
  font-size: 23px;
  letter-spacing: 2px;
}

.packet-sticker-name {
  font-family: var(--display);
  font-size: 42px;
  line-height: 1;
  letter-spacing: 1.5px;
}

.packet-sticker-code {
  margin-top: 5px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
}

.packet-sticker-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 14px 0;
  padding: 12px 0;
  border-top: 1px dashed #000;
  border-bottom: 1px dashed #000;
}

.packet-sticker-label {
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: 1.5px;
}

.packet-sticker-grid strong {
  display: block;
  margin-top: 3px;
  font-size: 14px;
}

.packet-sticker-qr-row {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 16px;
  align-items: center;
}

.packet-qr-box {
  width: 190px;
  min-height: 190px;
  display: grid;
  place-items: center;
  background: white;
}

.packet-qr-box img,
.packet-qr-box canvas {
  display: block;
}

.packet-sticker-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  line-height: 1.25;
}

.packet-sticker-meta strong {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

@media (max-height: 820px) and (min-width: 980px) {
  .packet-mode-grid {
    padding: 14px 20px;
  }
  .packet-mode-card {
    min-height: 96px;
    grid-template-columns: 56px 1fr 38px;
    padding: 14px 16px;
  }
  .packet-mode-card .ic {
    width: 56px;
    height: 56px;
  }
  .packet-mode-card .ic .material-symbols-rounded {
    font-size: 34px;
  }
  .packet-mode-card strong {
    font-size: 28px;
  }
  .packet-mode-card span {
    font-size: 12px;
  }
  .packet-workspace {
    padding: 16px 20px 90px;
  }
  .packet-camera-box {
    min-height: 280px;
  }
  .sku-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .sku-card {
    min-height: 92px;
    padding: 12px;
  }
  .sku-card strong {
    font-size: 22px;
  }
  .packet-primary-btn.tall {
    height: 66px;
    font-size: 26px;
  }
}

@media (max-width: 980px) {
  .packet-mode-grid,
  .scanner-grid,
  .print-grid {
    grid-template-columns: 1fr;
  }
  .packet-page {
    overflow-y: auto;
  }
  .packet-workspace {
    overflow: visible;
    padding-bottom: 24px;
  }
}

@media (max-width: 620px) {
  .packet-mode-card {
    grid-template-columns: 56px 1fr;
  }
  .packet-mode-card .arrow {
    display: none;
  }
  .packet-detail-grid,
  .packet-sticker-grid,
  .packet-sticker-qr-row,
  .sku-grid,
  .manual-scan,
  .packet-tabs {
    grid-template-columns: 1fr;
  }
  .packet-sticker {
    padding: 16px;
  }
}

@media print {
  body * {
    visibility: hidden !important;
  }
  #packet-print-sticker,
  #packet-print-sticker * {
    visibility: visible !important;
  }
  #packet-print-sticker {
    position: fixed;
    left: 0;
    top: 0;
    width: 95mm;
    min-height: 70mm;
    margin: 0;
    box-shadow: none;
    border: 1px dashed #000;
    page-break-inside: avoid;
  }
  @page {
    margin: 6mm;
  }
}